Adjustable work stand

Abstract

An adjustable work stand has fixed and hinged legs connected to a leg bracket, a table having a table bracket connected to a fulcrum in the leg bracket and fixed leg, a lock bolt in the hinged leg indexes both legs and the tables in several configurations including a plurality of table angles and a collapsed storage configuration, and a single actuator operates the lock bolts for any and all adjustments of the work stand and its mechanism.

We claim as our invention: 
     
       1. A work stand comprising (a) a fixed leg;   (b) a hinged leg;   (c) a leg bracket rigidly and non-movably affixed to the fixed leg and connected by a leg fulcrum to the hinged leg;   (d) a work table;   (e) a table bracket affixed to the table and hinged to a table fulcrum, said table fulcrum being fixed with respect to said leg bracket;   (f) a lock bolt engaging the hinged leg, the leg bracket and the table bracket, said lock bolt positionally fixing said table and said legs with respect to each other and in a rigid position of use.   
     
     
       2. The work stand of claim 1, in which said leg fulcrum has means for limiting rotation of said table about said table fulcrum. 
     
     
       3. The work stand of claim 1, including an outstop on said leg bracket for abutting against said hinged leg wherein said hinged leg is in a deployed position for support of the work stand. 
     
     
       4. The work stand of claim 1, in which said leg bracket has a leg lock abutment registrable with and accepting of said lock bolt, and in which said table bracket has at least one table lock abutment registratable with said leg lock abutment and also accepting of said lock bolt. 
     
     
       5. The work stand of claim 4, in which said table bracket has a plurality of spaced apart said table lock abutments. 
     
     
       6. The work stand of claim 5, in which said plurality of table lock abutments are located on a radius swing from the center-line of a bolt fastening the fixed leg to the leg bracket. 
     
     
       7. The work stand of claim 1, including a leg storage lock abutment in said leg bracket, and a table storage lock abutment in said table bracket, said storage lock abutments being registrable with each other and jointly receptive of said lock bolt. 
     
     
       8. The work of claim 7, in which said table and said legs are parallel to one another wherein said lock bolt is in said storage lock abutments. 
     
     
       9. The work stand of claim 8, in which said fixed leg is in-between the table and the hinged leg when said table and said legs are parallel to one another. 
     
     
       10. The work stand of claim 1, in which said leg bracket is a truncated triangular shaped plate, said fulcrums being located on each corner of a truncated apex of the plate. 
     
     
       11. The work stand of claim 1, in which said lock bolt is mounted in and is carried by said hinged leg. 
     
     
       12. The work stand of claim 1, including a single lock bolt actuator for releasing said table and for releasing said hinge leg, from a rigid position. 
     
     
       13. The work stand of claim 1, including a pair of spaced apart and interconnected said fixed legs,   a pair of spaced apart and interconnected said hinged legs,   a pair of spaced apart said leg brackets,   a pair of spaced apart said table brackets,   a pair of said lock bolts, and   a single actuator for operating said lock bolts and releasing either or both of said table or said hinged legs from the rigid position of use.   
     
     
       14. An adjustable and collapsible work stand comprising (a) a pair of spaced apart and interconnected fixed legs;   (b) a pair of spaced apart and interconnected hinged legs;   (c) a pair of spaced apart leg brackets, each leg bracket being affixed to a respective one of said fixed legs and being connected by a hinge joint to a respective one of said hinged legs;   (d) a work table atop of and supported by said legs;   (d) a pair of table brackets mounted one each to respective side of the table, each table bracket being rotatably mounted with respect to said legs on a table fulcrum fixed with respect to said fixed leg;   (f) a transversely movable lock bolt in each hinged leg; and   (g) at least two leg lock abutments in each leg bracket and at least two table lock abutments in each table bracket, said lock abutments all being registrable with and acceptive of a respective said lock bolt.   
     
     
       15. The work stand of claim 14, including single means for moving said lock bolts out of both a respective table bracket abutment and a leg bracket abutment. 
     
     
       16. The work stand of claim 14, in which each said table bracket has clearance means for moving past a respective leg hinge joint. 
     
     
       17. The work stand of claim 14, in which the leg lock abutments are located on a radius swung from the leg hinged joint, and in which one of each pair of said table lock abutments and a third table lock abutment are located on a radius swing from said table fulcrum. 
     
     
       18. The work stand of claim 14, including stop means for aligning either of said leg lock abutments and either of said table lock abutments, with said lock bolt. 
     
     
       19. An adjustable work stand comprising (a) a pair of legs connected to each other by a leg hinge adjacent upper ends of said legs, said legs being foldable toward each other to a storage position and openable away from each other to a normal usage position, one of said legs having a lock structure;   (b) a leg bracket affixed to one of the legs, said leg bracket having a leg lock abutment therein;   (c) an adjustable position work table atop of the legs, said table being connected to the legs by a table hinge, said table hinge having an axis generally parallel to an axis of the leg hinge;   (d) a table bracket afixed to and co-movable with said table into a plurality of positions about the table hinge axis, said table bracket having a table lock abutment therein;   (e) a lock bolt movably mounted in said work stand and simultaneously registrable with said leg lock structure, said leg lock abutment, and said table lock abutment for locking both of said legs and said table into a positionally fixed said normal usage position, and   (f) lock operator means for firstly operating said lock between said table bracket and said legs for positionally locking and/or releasing said table with respect to said legs, and secondly for operating said lock between said leg lock structure and said leg lock abutment for positionally locking and/or releasing said legs with respect to each other.   
     
     
       20. The work stand of claim 19, including one of said leg lock structures,   said leg brackets,   said table brackets, and   said lock bolts, on each side of the work stand, with there being a single and common said lock operator means for operating both said lock bolts.     
     
     
       21. The work stand of claim 19, in which said leg bracket has a first and second said leg lock abutment, and in which said table bracket has a first and second said table lock abutment, said first abutment being jointly registrable with said lock bolt when said work stand is in a normal usage position, and said second abutment being jointly registrable with said lock bolt when the work stand is in the storage position. 
     
     
       22. The work stand of claim 21, including a plurality of spaced apart said first table lock abutments. 
     
     
       23. The work stand of claim 21, in which said second table lock abutment is located on a radius swing from said leg hinge on a loci which is in an aperture radius swing from said table hinge. 
     
     
       24. A work stand mechanism comprising (a) a leg bracket having (1) means for fixedly securing a first leg thereto,   (2) means for hingedly securing a second leg thereto, (3) means for locking the second leg in a use positon spread from the first leg, and in a storage position adjacent the first leg, and (4) a storage lock abutment spaced from said radius;         (c) a table fulcrum pin acceptable in the journal and the first leg securing means;   (d) a second leg portion including a journal connectable to said second leg securing means; and   (e) a single lock bolt in said second leg portion, said lock bolt being simultaneously registrable with and engagable in one of said leg lock means and any one of said table bracket lock abutments.   
     
     
       25. The mechanism of claim 24, in which said table bracket has a rotational limit stop engagable with said second leg securing means.